<template>
  <div ref="chartRef" :style="{ height, width }"></div>
</template>
<script lang="ts">
  import { defineComponent, PropType, ref, Ref, reactive, watchEffect } from "vue"
  import { useECharts } from "/@/hooks/web/useECharts"

  export default defineComponent({
    name: "Radar",
    props: {
      chartData: {
        type: Array,
        default: () => [],
      },
      option: {
        type: Object,
        default: () => ({}),
      },
      width: {
        type: String as PropType<string>,
        default: "100%",
      },
      height: {
        type: String as PropType<string>,
        default: "calc(100vh - 78px)",
      },
    },
    setup(props) {
      const chartRef = ref<HTMLDivElement | null>(null)
      const { setOptions, echarts } = useECharts(chartRef as Ref<HTMLDivElement>)
      const option = reactive({
        title: {
          text: "基础雷达图",
        },
        legend: {
          data: ["文综", "理综"],
        },
        radar: {
          indicator: [
            { name: "历史", max: 100 },
            { name: "地理", max: 110 },
            { name: "生物", max: 120 },
            { name: "化学", max: 130 },
            { name: "物理", max: 140 },
            { name: "政治", max: 150 },
          ],
        },
        series: [
          {
            type: "radar",
            data: [
              {
                value: [82, 70, 60, 55, 90, 66],
                name: "文综",
              },
            ],
          },
        ],
      })

      watchEffect(() => {
        props.chartData && initCharts()
      })

      function initCharts() {
        if (props.option) {
          Object.assign(option, props.option)
        }
        //图例类型
        let typeArr = Array.from(new Set(props.chartData.map((item) => item.type)))
        //雷达数据
        let indicator = Array.from(
          new Set(
            props.chartData.map((item) => {
              let { name, max } = item
              return { name, max }
            })
          )
        )

        let data = []
        typeArr.forEach((type) => {
          let obj = { name: type }
          let chartArr = props.chartData.filter((item) => type === item.type)
          obj["value"] = chartArr.map((item) => item.value)
          //data数据
          data.push(obj)
        })
        option.radar.indicator = indicator
        option.series[0]["data"] = data
        setOptions(option)
      }
      return { chartRef }
    },
  })
</script>
